api_binding/http_binding/middleware/cors.go

package middleware

import (
	"git.sxidc.com/go-tools/api_binding/http_binding/binding_context"
	"net/http"
)

func Cors() Func {
	return func(c *binding_context.Context) {
		method := c.Request.Method

		c.Header("Access-Control-Allow-Origin", "*")
		c.Header("Access-Control-Allow-Headers", "Content-Length, Content-Type, AccessToken, X-CSRF-Token, Authorization, Token")
		c.Header("Access-Control-Allow-Methods", "POST, GET, PUT, DELETE,OPTIONS")
		c.Header("Access-Control-Expose-Headers", "Content-Length, Access-Control-Allow-Origin, "+
			"Access-Control-Allow-Headers, Content-Type")
		c.Header("Access-Control-Allow-Credentials", "true")

		if method == "OPTIONS" {
			c.AbortWithStatus(http.StatusOK)
		}

		c.Next()
	}
}